Year | Value | 2022 | 95.688 | 2021 | 95.603 | 2020 | 95.515 | 2019 | 95.426 | 2018 | 95.334 | 2017 | 95.24 | 2016 | 95.144 | 2015 | 95.045 | 2014 | 94.945 | 2013 | 94.843 | 2012 | 94.739 | 2011 | 94.612 | 2010 | 94.414 | 2009 | 94.209 | 2008 | 93.998 | 2007 | 93.779 | 2006 | 93.553 | 2005 | 93.319 | 2004 | 93.078 | 2003 | 92.828 | 2002 | 92.569 | 2001 | 92.303 | 2000 | 92.028 | 1999 | 91.743 | 1998 | 91.45 | 1997 | 91.147 | 1996 | 90.835 | 1995 | 90.542 | 1994 | 90.245 | 1993 | 89.94 | 1992 | 89.627 | 1991 | 89.304 | 1990 | 88.973 | 1989 | 88.633 | 1988 | 88.285 | 1987 | 87.926 | 1986 | 87.558 | 1985 | 87.194 | 1984 | 86.85 | 1983 | 86.498 | 1982 | 86.138 | 1981 | 85.769 | 1980 | 85.394 | 1979 | 85.009 | 1978 | 84.616 | 1977 | 84.215 | 1976 | 83.806 | 1975 | 83.387 | 1974 | 83.167 | 1973 | 82.97 | 1972 | 82.771 | 1971 | 82.57 | 1970 | 82.368 | 1969 | 82.164 | 1968 | 81.958 | 1967 | 81.749 | 1966 | 81.539 | 1965 | 81.328 | 1964 | 81.114 | 1963 | 80.899 | 1962 | 80.681 | 1961 | 80.462 | 1960 | 80.241 |
|